.header{
  width: 100%;
  height:50px;
  position: fixed;
  background-color: #6495ED;
  box-shadow: 0 1px 8px #000000;
  z-index: 999;
  #back{
    float: left;
    color: #ffffff;
    margin-left: 2%;
  }
  P{
    color: #ffffff;
    font-size: 18px;
    display: inline-block;
    margin: 5px;
  }
  #auth{
    float: right;
    margin: 5px 5% 0 0;
    font-size: 30px;
  }
  #name{
    float: right;
    margin: 18px 5% 0 0;
    font-size: 18px;
  }
}
